Fits 4150 and 4160 series Holley carbs. Plastic / Phenolic carburetor spacers reduce the fuel temperature inside the carburetor by insulating the carb from the hot intake manifold. This results in a denser air/fuel mixture for more power.
5/16" x 2-1/2" Carburetor Carb Studs Kit - Holley Edelbrock AFB Carter Rochester
2" Aluminum Holley Edelbrock AFB 4 Barrel Carburetor Spacer Hot Rod Rat 4bblOpen
Holley Edelbrock AFB 4 Brl Ported 1/2 inch Thick Phenolic Carburetor Heat Spacer
Carb Base Gasket 2 Pack 4 bbl. Square Flange 4 Hole Holley Edelbrock AFB Quick
Holley Edelbrock AFB 4 Brl 4 Hole 1 inch Thick Phenolic Carburetor Heat Spacer 1
2pk Carburetor Air Cleaner Gasket Fits Holley Edelbrock AFB Quadrajet Carb 5-1/8
